QUANTUM COMPUTING

... Classical information can be read, transcribed (into any medium), duplicated at will, transmitted and broadcasted. Quantum information, on the other hand, cannot be in general read or duplicated without being disturbed, but it can be teleported (as discussed in ...

... Classical information can be read, transcribed (into any medium), duplicated at will, transmitted and broadcasted. Quantum information, on the other hand, cannot be in general read or duplicated without being disturbed, but it can be teleported (as discussed in ...

Abstracts - QCMC 2016 - Centre for Quantum Technologies

... Xingyao Wu, Jean-Daniel Bancal, Matthew Mckague and Valerio Scarani P1-83 - Demonstration of Quantum Permutation Algorithm with a Single Photon Ququart Pei Zhang P1-84 - Experimental evaluation of quantum correlations between measurement errors using polarization-entangled photons as probe input Yut ...

... Xingyao Wu, Jean-Daniel Bancal, Matthew Mckague and Valerio Scarani P1-83 - Demonstration of Quantum Permutation Algorithm with a Single Photon Ququart Pei Zhang P1-84 - Experimental evaluation of quantum correlations between measurement errors using polarization-entangled photons as probe input Yut ...

Understanding the Mach-Zehnder Interferometer (MZI)

... Understanding the Mach-Zehnder Interferometer (MZI) with Single Photons: Homework 2 The goals of this homework are to use a simplified ideal version of MZI to help you: Connect qualitative understanding of the MZI with a simple mathematical model A. Determine the product space of path states and p ...

... Understanding the Mach-Zehnder Interferometer (MZI) with Single Photons: Homework 2 The goals of this homework are to use a simplified ideal version of MZI to help you: Connect qualitative understanding of the MZI with a simple mathematical model A. Determine the product space of path states and p ...

Photon echoes for a system of large negative spin and few mean

... periodic collapse and revival of oscillations in that average. (However, it should be noted that this author observed this behavior as early as 1966 as a graduate student while extending the results of [7] to the mixed coherent and thermal photon number distributions as an assigned task (from Cummin ...

... periodic collapse and revival of oscillations in that average. (However, it should be noted that this author observed this behavior as early as 1966 as a graduate student while extending the results of [7] to the mixed coherent and thermal photon number distributions as an assigned task (from Cummin ...

Lecture Notes for Physics 229: Quantum Information and Computation

... Furthermore, in quantum theory, noncommuting observables cannot simultaneously have precisely de ned values (the uncertainty principle), and in fact performing a measurement of one observable A will necessarily inuence the outcome of a subsequent measurement of an observable B , if A and B do not c ...

... Furthermore, in quantum theory, noncommuting observables cannot simultaneously have precisely de ned values (the uncertainty principle), and in fact performing a measurement of one observable A will necessarily inuence the outcome of a subsequent measurement of an observable B , if A and B do not c ...

Wave vector

... applied to the design and fabrication of the distributed feed back (DFB) semiconductor laser and the DFB laser array [7-9], which provides an effective solution for high perfor mance of semiconductor laser array in photonic integration. In order to further solve the monolithic integration problem of ...

... applied to the design and fabrication of the distributed feed back (DFB) semiconductor laser and the DFB laser array [7-9], which provides an effective solution for high perfor mance of semiconductor laser array in photonic integration. In order to further solve the monolithic integration problem of ...

HBNI Th65 - The Institute of Mathematical Sciences

... studied over the last few decades. But there are other correlations that are motivated from an information-theoretic or measurement perspective, which try to capture this classicalquantum boundary [2]. These include quantum discord, classical correlation, measurement induced disturbance, quantum def ...

... studied over the last few decades. But there are other correlations that are motivated from an information-theoretic or measurement perspective, which try to capture this classicalquantum boundary [2]. These include quantum discord, classical correlation, measurement induced disturbance, quantum def ...

Ph410 Physics of Quantum Computation1

... classical property of being in only one of its possible basis states. See prob. 5 for more discussion of measurement. An important distinction between a classical and a quantum state is that prior to a measurement, a quantum state can be said to be in a superposition of several of its possible basis ...

... classical property of being in only one of its possible basis states. See prob. 5 for more discussion of measurement. An important distinction between a classical and a quantum state is that prior to a measurement, a quantum state can be said to be in a superposition of several of its possible basis ...

Single photons from single ions: quantum interference and distant ion interaction Dissertation

... is the binary digit (bit). In quantum computation and quantum information, it is replaced by the quantum bit, also called the qubit. In contrast to the classical bit, which can be either in state 0 or 1, the qubit is represented by a superposition of these two states. This novelty builds the basis f ...

... is the binary digit (bit). In quantum computation and quantum information, it is replaced by the quantum bit, also called the qubit. In contrast to the classical bit, which can be either in state 0 or 1, the qubit is represented by a superposition of these two states. This novelty builds the basis f ...

Departament de Física Quantum Information with Continuous Variable systems Grup de Física Teòrica

... states, are the so-called Gaussian states. With them, it has been possible to implement certain quantum tasks as quantum teleportation, quantum cryptography and quantum computation with fantastic experimental success. The importance of Gaussian states is two-fold; ﬁrstly, its structural mathematical ...

... states, are the so-called Gaussian states. With them, it has been possible to implement certain quantum tasks as quantum teleportation, quantum cryptography and quantum computation with fantastic experimental success. The importance of Gaussian states is two-fold; ﬁrstly, its structural mathematical ...

Ph.D. Thesis Rodrigo Gallego

... The device-independent formalism is a set of tools to analyze experimental data and infer properties about systems, while avoiding almost any assumption about the functioning of devices. It has found applications both in fundamental and applied physics: some examples are the characterization of quan ...

... The device-independent formalism is a set of tools to analyze experimental data and infer properties about systems, while avoiding almost any assumption about the functioning of devices. It has found applications both in fundamental and applied physics: some examples are the characterization of quan ...

Quantum Computational Complexity - Cheriton School of Computer

... However, the general picture has major advantages: it unifies quantum information with classical probability theory, brings with it powerful mathematical tools, and allows for simple and intuitive descriptions in many situations where this is not possible with the simplified picture. Classical simul ...

... However, the general picture has major advantages: it unifies quantum information with classical probability theory, brings with it powerful mathematical tools, and allows for simple and intuitive descriptions in many situations where this is not possible with the simplified picture. Classical simul ...

hybrid quantum computation - Centre for Quantum Technologies

... This thesis comprises the study of two research projects: the hybrid quantum computation model presented in Part I and the test-state approach to the quantum search presented in Part II. Part I: The hybrid model, which joins the advantages of the unitary-evolutionbased quantum computation model desc ...

... This thesis comprises the study of two research projects: the hybrid quantum computation model presented in Part I and the test-state approach to the quantum search presented in Part II. Part I: The hybrid model, which joins the advantages of the unitary-evolutionbased quantum computation model desc ...

Theory of photon coincidence statistics in photon

... of the finite coincidence resolving time. The correlated beams are assumed to be generated using parametric downconversion, and the photon streams in the correlated beams are modeled by two partially correlated Poisson point processes. An exact expression for the mean rate of coincidence registratio ...

... of the finite coincidence resolving time. The correlated beams are assumed to be generated using parametric downconversion, and the photon streams in the correlated beams are modeled by two partially correlated Poisson point processes. An exact expression for the mean rate of coincidence registratio ...

Czech Technical University in Prague Faculty of Electrical

... quantum physics. Quantum computing can be seen as a special intermediate case between digital and real analog computing. Importantly, there is a threshold theorem for error correction, as opposed to the pure analog case. Alternatively, quantum computing can be viewed as generalized probabilistic com ...

... quantum physics. Quantum computing can be seen as a special intermediate case between digital and real analog computing. Importantly, there is a threshold theorem for error correction, as opposed to the pure analog case. Alternatively, quantum computing can be viewed as generalized probabilistic com ...

Fault-tolerant quantum repeater with atomic ensembles and linear

... where the relative phase between the entangled states of the two pairs of the remote ensembles is denoted by +* = k+x with +x = xu − xd. In practice, a series of write pulses are sent into the atomic ensembles and the induced Stokes pulses are directed to the detectors. The time interval between nei ...

... where the relative phase between the entangled states of the two pairs of the remote ensembles is denoted by +* = k+x with +x = xu − xd. In practice, a series of write pulses are sent into the atomic ensembles and the induced Stokes pulses are directed to the detectors. The time interval between nei ...

Entanglement and state characterisation from two-photon interference

... This thesis analyses the effects of two-photon interference in a polarisation squeezed state under two different points of view: on one hand, it presents a new method to obtain the temporal wavefunction of a state of two photons; on the other hand, it studies the microscopic entanglement properties ...

... This thesis analyses the effects of two-photon interference in a polarisation squeezed state under two different points of view: on one hand, it presents a new method to obtain the temporal wavefunction of a state of two photons; on the other hand, it studies the microscopic entanglement properties ...

Quantum Interference between Single Photons from a Single Atom

... physical system. In an effort to realise a practical quantum network, it is therefore important to be able to efficiently interface different physical systems. With the photon as the interconnect, the implementation may require the different physical systems to produce indistinguishable photons whic ...

... physical system. In an effort to realise a practical quantum network, it is therefore important to be able to efficiently interface different physical systems. With the photon as the interconnect, the implementation may require the different physical systems to produce indistinguishable photons whic ...